Jihadists from Mali to Afghanistan promised to retaliate, but the Islamic State took aim at its rivals and Arab leaders.

Our Jerusalem bureau chief described a city braced for more turmoil. “You feel like you’re living in jail here,” one resident told him. “The people are so tense.”

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CreditDoug Mills/The New York Times

• As he ends his first year in office, Donald Trump is redefining the American presidency.

In interviews with 60 advisers, associates, friends and members of Congress, our reporters found a man who “views himself less as a titan dominating the world stage than a maligned outsider engaged in a struggle to be taken seriously.”

Business

• Go-Jek, a $3 billion Indonesian start-up, lets customers call a car or motorbike for a ride — or for takeout, a shopping trip or delivering a present. Uber, U.S. investors and Chinese internet titans are taking notice.

• Japan’s defense minister announced plans to acquire medium-range cruise missiles capable of striking North Korea, and Japan’s defense force is beginning two days of missile-tracking drills with the U.S. and South Korea. [Reuters]

• A North Korean defector has spent a decade challenging South Korea’s policy of denying citizenship to North Koreans who gained Chinese citizenship to escape their homeland. [The New York Times]

• Russian fighter jets have flown dangerously close to U.S. warplanes in Syria over the past month in what American officials say are daily Russian violations of an air safety agreement. [The New York Times]

• Iraq’s prime minister declared victory over the Islamic State, announcing the end of more than three years of battles to regain control of nearly one-third of the country. [The New York Times]

• Saudi Arabia disputed that its crown prince bought a painting of Christ by Leonardo da Vinci for more than $450 million last month. American officials and Arabs familiar with the details say otherwise. [The New York Times]

• Cricket officials fear a new fixing epidemic after three international captains reported being approached by match-fixers. [The New York Times]

• Australia’s prime minister, Malcolm Turnbull, is searching for the creator of a bicycle covered in rainbow-colored crochet that was left at his home. [BBC]

Back Story

“Greed is good.” Today is the 30th anniversary of the release of the movie “Wall Street.”

Michael Douglas won an Oscar for his role as Gordon Gekko, the ruthless corporate raider who takes a young stockbroker named Bud Fox, played by Charlie Sheen, under his wing.

The movie was meant as a harsh critique of the excesses of 1980s capitalism — but became wildly popular with actual Wall Street types. (When it came out, our critic suggested that its moralizing was its weak point: “The movie crashes in a heap of platitudes,” Vincent Canby wrote.)

The director, Oliver Stone, said that in a twist, many young people told him it inspired them to go work on Wall Street. Even years later, brokers would tell him, “You’re the man!”

Mr. Stone discussed the film’s legacy in this 2009 Times video. He said it was “misunderstood by some, because it was about a horrible thing that was going on, about how people would worship money at all costs.”

That interview took place as he was preparing to film the sequel, “Wall Street: Money Never Sleeps,” released in 2010. Our critic called it “a corrective, a parody and a sly act of auto-homage.”